1321112204 has 12 divisors (see below), whose sum is σ = 2316387528. Its totient is φ = 659287200.

The previous prime is 1321112189. The next prime is 1321112207. The reversal of 1321112204 is 4022111231.

It is not an unprimeable number, because it can be changed into a prime (1321112207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314882 + ... + 319049.

It is an arithmetic number, because the mean of its divisors is an integer number (193032294).

Almost surely, 2^1321112204 is an apocalyptic number.

It is an amenable number.

1321112204 is a deficient number, since it is larger than the sum of its proper divisors (995275324).

1321112204 is a wasteful number, since it uses less digits than its factorization.

1321112204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634456 (or 634454 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1321112204 is about 36347.1072301497. The cubic root of 1321112204 is about 1097.2693161068.

Adding to 1321112204 its reverse (4022111231), we get a palindrome (5343223435).

The spelling of 1321112204 in words is "one billion, three hundred twenty-one million, one hundred twelve thousand, two hundred four".